from flask import Flask

app = Flask(__name__)

@app.route('/login')
def login():
    return 'login'

@app.route('/login')
def login():
    return 'login'

@app.route('/login')
def login():
    return 'login'



@app.route('/login')
def login():
    return 'login'

@app.route('/logout')
def logout():
    return 'logout'


@app.route('/register')
def register():
    return 'register'


@app.route('/xx')
def xx():
    return 'xx'


@app.route('/index')
def index():
    return 'index'

if __name__ == '__main__':
    app.run()